Submission #1192021

#	Time	Username	Problem	Language	Result	Execution time	Memory
1192021		Aviansh	Street Lamps (APIO19_street_lamps)	C++20	20 / 100	5093 ms	589824 KiB

street_lamps

#include <bits/stdc++.h>

using namespace std;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,q;
    cin >> n >> q;
    string s;
    cin >> s;
    int tim[n][n];
    for(int i = 0;i<n;i++){
        fill(tim[i],tim[i]+n,0);
    }
    while(q--){
        for(int i = 0;i<n;i++){
            bool a = 1;
            for(int j = i;j<n;j++){
                if(a&&s[j]=='1'){
                    tim[i][j]++;
                }
                if(s[j]=='0')
                    a=0;
            }
        }
        string quer;
        cin >> quer;
        if(quer[0]=='q'){
            int a,b;
            cin >> a >> b;
            a--;b-=2;
            cout << tim[a][b] << "\n";
        }
        else{
            int i;
            cin >> i;
            i--;
            if(s[i]=='1'){
                s[i]='0';
            }
            else{
                s[i]='1';
            }
        }
    }
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20